Doctor profile · Federal record

Dr. Ekai Hsu, MD

Surgery Physician (CMS: General Surgery) · Carmel, CA

  • NPI 1912175340
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3845 Via Nona Marie Unit 221461
Carmel, CA 939238601
(831) 298-0021
Mailing address
Po Box 221461
Carmel, CA 939221461

Credentials & registration

NPPES · NUCC
NPI registered
February 2008 — 18 yrs on file
Profile last updated
July 27, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
California #A103079

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912175340. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
243
Distinct HCPCS
5
Medicare allowed
$30,361
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 75 47 $89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 58 $196
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 58 34 $135
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 35 22 $55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 15 $147

In context: peer comparison

Among 1 peers in Carmel Surgery Physician, average services per provider: 48. This provider delivers 5.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ekai Hsu's medical specialty?
Dr. Ekai Hsu practices Surgery Physician in Carmel, CA.
Where does Dr. Ekai Hsu practice?
Dr. Ekai Hsu practices at 3845 Via Nona Marie Unit 221461, Carmel, CA 939238601. Office phone: 8312980021.
What is Dr. Ekai Hsu's NPI?
Dr. Ekai Hsu's National Provider Identifier (NPI) is 1912175340, issued by NPPES.
Does Dr. Ekai Hsu accept Medicare assignment?
Yes. Dr. Ekai Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ekai Hsu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.